TinyCircuits
GEAR REDUCTION MOTOR JST CABLE. AC, DC & Servo Motors 200:1 Gear Reduction Motor
SparkFun Electronics
GEARMOTOR 90 RPM 12VDC. SparkFun Accessories Micro Gearmotor 90 RPM (6-12V)
Seeed Technology Co., Ltd
GEARMOTOR 107 RPM 12VDC. Seeed Studio Accessories Geared Motor ASLONG-JGB37-520(107RPM)